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Properties of Kubota TXAX

The crystal structures and properties of TXAX-A and TXAX-MA currently mass produced and available are as follows:

Crystal structure

Potassium hexatitanate
Crystal structure Crystal structure diagram
Crystal system Monoclinic
Space group C2/m
Structure Tunnel
Lattice constant a(nm) 1.558
b(nm) 0.382
c(nm) 0.911
β(°) 99.76
Molecules per unit cell 2

Table B1-1a

General property

Scanning electron microscope image TXAX-A TXAX-MA
Chemical name Potassium hexatitanate Potassium hexatitanate
Chemical formula K2Ti6O13 K2Ti6O13
Structure Tunnel Tunnel
Shape Plate-like shape Plate-like shape
Color Light yellow Light yellow
Size Mean length:150
Mean width:30
Mean thickness:(10)
Mean length:65
Mean width:13
Mean thickness:(3)
pH 8 8
Specific surface area (m2/g) 0.75 1.50
Particle density (g/cm3) 3.5 3.6
Bulk density (g/cm3) 0.5 0.2
Melting point (℃) 1310~1350 1310~1350
Moisture content (mass%) <0.2 <0.4
Mohs hardness
3 3~4
Thermal conductivity *
Specific heat *
Linear expansion coefficient *
Volume resistivity *
Permittivity *

* literature data

Table B1-1b

Chemical characteristics

Thermal insulating property

Heat resistance

Mohs hardness